Chlorine
From Conservapedia | "Chlorine" | |
|---|---|
| Properties | |
| Atomic symbol | Cl |
| Atomic number | 17 |
| Classification | Non-metal |
| Atomic mass | 35.5 amu |
| Other Information | |
| Date of discovery | 1774 |
| Name of discoverer | "Carl" Wilhelm Scheele |
| Name origin | "From" the Greek khlôros, refers to the color. |
| Uses | Chlorine is a common component of plastics and is a water purifier commonly used in swimming pools. It is also a bleach. |
| Obtained from | Electrolyzed brine |
Chlorine is in Group 7 of the periodic table, making it a halogen along with such elements as fluorine, bromine and iodine. It has an atomic number of 17. Like other halogens, it is reactive to most metals and is never found free in nature. The chlorine molecule (Cl2) contains two chlorine atoms bonded together.
Compounds[edit]
Compounds of chlorine are called chlorides. Common chlorides include:
- Ammonium chloride, NH4Cl
- Calcium chloride, CaCl2
- Lithium chloride, LiCl
- Potassium chloride, KCl
- Sodium chloride, NaCl
Uses[edit]
The primary use of chlorine is in the production of various plastics and artificial fibers, such as polyvinyl chloride. Chlorine is also used as a disinfectant for public water supplies and is an important component of several pharmaceuticals. Chlorine can also bond with an oxygen atom to form sodium hypochlorite (NaClO) which acts as a bleach.[1]
References[edit]
- ↑ http://www.eurochlor.org/products
| Periodic Table of the Elements | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | |||||||
1
H 1.008 |
2
He 4.003 | |||||||||||||||||||||||
3
Li 6.939 |
4
Be 9.0122 |
5
B 10.811 |
6
C 12.011 |
7
N 14.007 |
8
O 15.999 |
9
F 18.998 |
10
Ne 10.183 | |||||||||||||||||
11
Na 22.99 |
12
Mg 24.312 |
13
Al 26.982 |
14
Si 28.086 |
15
P 30.974 |
16
S 32.064 |
17
Cl 35.453 |
18
Ar 39.948 | |||||||||||||||||
19
K 39.102 |
20
Ca 40.08 |
21
Sc 44.956 |
22
Ti 47.9 |
23
V 50.942 |
24
Cr 51.996 |
25
Mn 54.938 |
26
Fe 55.847 |
27
Co 58.933 |
28
Ni 58.71 |
29
Cu 63.546 |
30
Zn 65.37 |
31
Ga 69.72 |
32
Ge 72.59 |
33
As 74.922 |
34
Se 78.96 |
35
Br 79.904 |
36
Kr 83.8 | |||||||
37
Rb 85.47 |
38
Sr 87.62 |
39
Y 88.905 |
40
Zr 91.22 |
41
Nb 92.906 |
42
Mo 95.94 |
43
Tc [97] |
44
Ru 101.07 |
45
Rh 102.91 |
46
Pd 106.4 |
47
Ag 107.87 |
48
Cd 112.4 |
49
In 114.82 |
50
Sn 118.69 |
51
Sb 121.75 |
52
Te 127.6 |
53
I 126.9 |
54
Xe 131.3 | |||||||
55
Cs 132.91 |
56
Ba 137.34 |
57*
La 138.91 |
72
Hf 178.49 |
73
Ta 180.95 |
74
W 183.85 |
75
Re 186.2 |
76
Os 190.2 |
77
Ir 192.2 |
78
Pt 195.09 |
79
Au 196.97 |
80
Hg 200.59 |
81
Tl 204.37 |
82
Pb 207.19 |
83
Bi 208.98 |
84
Po 210 |
85
At 210 |
86
Rn 222 | |||||||
87
Fr 215 |
88
Ra 226.03 |
89**
Ac 227.03 |
104
Rf [261] |
105
Db [262] |
106
Sg [266] |
107
Bh [264] |
108
Hs [265] |
109
Mt [268] |
110
Dt [271] |
111
Rg [272] |
112
Cn [277] |
113
Nh [284] |
114
Fv [289] |
115
Mc [288] |
116
Lv [292] |
117
Ts [293] |
118
Og [294] |
|||||||
| *Lanthanides | 58
Ce 140.12 |
59
Pr 140.91 |
60
Nd 144.24 |
61
Pm 145 |
62
Sm 150.35 |
63
Eu 151.96 |
64
Gd 157.25 |
65
Tb 158.92 |
66
Dy 162.5 |
67
Ho 164.93 |
68
Er 167.26 |
69
Tm 168.93 |
70
Yb 173.04 |
71
Lu 174.97 |
||||||||||
| **Actinides | 90
Th 232.04 |
91
Pa 231 |
92
U 238.03 |
93
Np 237.05 |
94
Pu 239.05 |
95
Am 241.06 |
96
Cm 244.06 |
97
Bk 249.08 |
98
Cf 252.08 |
99
Es 252.08 |
100
Fm 257.1 |
101
Md 258.1 |
102
No 259.1 |
103
Lr 262.11 |
||||||||||
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